In June 2026, an elderly man in Beijing's Haidian District went missing after leaving home to buy groceries. Public cameras and neighborhood searches led to no result as night fell over a park of winding paths and dense trees. Police tracking dog Duoduo was brought in, followed the scent from the man's clothing, found his stroller, and helped officers locate him in a wooded gully, weak and confused but still alive.

Haidian District, Beijing, China

An afternoon without a phone

The search began with an anxious call. According to Beijing Daily, Haidian police received a report that an elderly man had gone out to buy groceries and had not returned. He had not taken his phone. For the family, several missing hours became painfully long; for officers, the task was to rebuild his route as quickly as possible.

Public video showed the man leaving his residential compound after 4 p.m. while pushing a stroller. He later appeared near a park and then vanished from view. Officers checked cameras, interviewed people along the route, and searched the surrounding area with family members, but found nothing. As night came, paths, trees, gullies, and shadows made the search harder.

Duoduo began with the scent

When ordinary searching stalled, Haidian police called in the criminal investigation police dog unit. Tracking dog Duoduo was given the elderly man's clothing as a scent source. To a human, it might be only a piece of clothing; to a trained tracking dog, it is a narrow thread through a crowded world of smells.

Duoduo tracked into the park and first found the man's stroller. That discovery gave the search a direction again. The stroller was not the end, but it was a small light in the dark, proving that the man had been there and that Duoduo's trail had not gone wrong.

A response in the wooded gully

Following the clue Duoduo found, officers searched deeper into the wooded gullies. The park was dark, the paths were winding, and vegetation blocked sight lines. At last, officers found the missing man. Reports said he had collapsed on the ground, was confused, weak, and injured.

At that moment, the search became rescue. Officers called emergency medical services. Because vehicles could not easily reach the park interior, police met the ambulance at the road and ran ahead to guide it to the scene. Thanks to timely rescue, the man was out of life-threatening danger and was later returned to family care.

A dog brought the trail out of darkness

Duoduo cannot explain what he smelled or tell humans in words where to go. What he can do is lower his nose to the scent, turn training into movement, and pick out one fading path from a complicated world. He found the stroller and helped point officers deeper into the search area.

This archive records Duoduo not to give all credit to one link in the rescue, but to place the working dog's contribution where it belongs. He did not stand at the center of the camera, and he will not know he was thanked. But that Beijing summer night, his nose, focus, and training became a crucial part of the route back to life.

Animals who guard people deserve memory too

The value of working dogs is often most visible in urgent moments. The repeated training of scenting, waiting, moving forward, and indicating can one day become a family's chance to reunite. Duoduo did not find an abstract target; he found an elderly man lost in a complex place, a person whose family was waiting.

Harmony between humans and animals is not only companionship. It also appears in this kind of trusted working relationship: people train, care for, and trust the dog; the dog answers human need with its own ability. Duoduo's story reminds us that some forms of protection are quiet and professional, but still deserve to be remembered.

Timeline

• 2026-06 An elderly man in Haidian left home to buy groceries and went missing without his phone.
• Around 8 p.m. Shuguang Police Station received the family's call and began video checks, interviews, and searches.
• During the night search Tracking dog Duoduo used the man's clothing as a scent source and found his stroller in the park.
• Soon after Officers followed the clue into wooded gullies and found the man collapsed, confused, weak, and injured.
• After rescue Police called emergency medical services and guided the ambulance to the scene; the man survived the danger.
• 2026-06-29 Beijing Daily reported the rescue.

Public source

• Beijing Daily: police dog Duoduo helps officers find a missing elderly man at night